Cov kws tshaj lij ntseeg tias qhov muag liab qab - lub qhov muag ib txwm pom tsis tu ncua thiab tsis muaj lwm yam cuab yeej - tuaj yeem pom cov khoom me me li ntawm 0.1 millimeters … Txog thaum tsis ntev los no, cov qauv ntsuas ntsuas yuav tso cai rau koj pom tej yam me me li ib micrometer, uas yog sib npaug rau 0.001 mm.
Qhov tsawg tshaj plaws uas koj tuaj yeem pom yog dab tsi?
Qhov tsawg tshaj plaws uas peb tuaj yeem pom nrog 'lub teeb' lub tsom iav yog txog 500 nanometers Ib nanometer yog ib-billionth (uas yog 1, 000, 000, 000th) ntawm ib meter. Yog li qhov tsawg tshaj plaws uas koj tuaj yeem pom nrog lub teeb pom kev zoo yog li 200 npaug me dua qhov dav ntawm cov plaub hau. Cov kab mob muaj txog 1000 nanometers loj.
Peb tuaj yeem pom pes tsawg micrometers?
Lub teeb tsom iav cia peb saib cov khoom ntev li ib millimeter (10-3 m) thiab txia 0.2 micrometers (0.2 txhiab ib millimeter lossis 2 x 10-7 m), whereas lub tshuab hluav taws xob muaj zog tshaj plaws tso cai rau peb. kom pom cov khoom me me li ib lub atom (li ib kaum lab ntawm ib millimeter los yog 1 angstrom los yog 10-10 m).
Koj puas pom 50 micrometers?
Tus cov khoom me tshaj plaws peb tuaj yeem pom nrog peb lub qhov muag yog cov uas loj dua 50 micrometers, xws li cov plua plav loj loj uas tau sau rau ntawm peb rooj tog. Nov yog qee qhov hais thiab lawv qhov ntau thiab tsawg: … Fungal spores: 0.50 - 7 μm. Ua noj haus / tsw: 0.30 - 1 μm.
Puas tib neeg qhov muag pom 20 microns?
Lub qhov muag liab qab tuaj yeem pom cov khoom me me li 40 microns. Raws li qhov taw qhia ntawm kev siv, txoj kab uas hla ntawm tib neeg cov plaub hau yog 70 microns, thiab cov qe ntshav liab yog 8 microns.
